BNC connector - Wikipedia, the free encyclopedia. BNCMale 5. 0 ohm BNC connector. Type. RF coaxial connector.
Production history. Designer. Paul Neill, Carl Concelman, & Octavio M. Salati. Designed. Patented 1. 95. 1Manufacturer. Various. General specifications. Diameter. Outer, typical: 0. Cable. Coaxial. Passband.
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Typically 0â€“4 GHz. The BNC (Bayonet Neillâ€“Concelman) connector is a miniature quick connect/disconnect radio frequency connector used for coaxial cable. It features two bayonet lugs on the female connector; mating is fully achieved with a quarter turn of the coupling nut. BNC connectors are used with miniature- to- subminiature coaxial cable in radio, television, and other radio- frequencyelectronic equipment, test instruments, and video signals. The BNC was commonly used with 1.
. Parts Express F Connector Removal Tool: Home Audio & Theater Amazon Try Prime Home Audio & Theater Products. Works very well to tighten and loosen antenna cables. Comes in really handy. Especially for those. The ideal 35-046 is a 8' F and BNC connector removal tool. this tool works on compression and hex connectors and new comfort-grip handle aids in installing and removing connectors on coax cable. an exclusive socket design. RF Connector Tools and other RF, microwave and fiber optic products from Pasternack ship same day worldwide. Place order in next. For same day shipping. Call Us. Microstrip Patch Antenna Calculator; Microstrip Wavelength. RF coaxial connector: Production history; Designer: Paul Neill. using a special power or manual tool. whereas 50 ohm connectors are used for data and RF. Many VHF receivers used 75 ohm antenna inputs.
BASE2 computer networks. BNC connectors are made to match the characteristic impedance of cable at either 5. They are usually applied for frequencies below 4 GHz and voltages below 5. Similar connectors using the bayonet connection principle exist, and a threaded connector is also available. United States military standard MIL- PRF- 3. Connectors, Coaxial, Radio Frequency, General Specification for (formerly MIL- C- 3.
Rear of a video switcher with an array of BNC connectors. The BNC was originally designed for military use and has gained wide acceptance in video and RF applications to 2 GHz. The BNC uses a slotted outer conductor and some plastic dielectric on each gender connector. This dielectric causes increasing losses at higher frequencies. Above 4 GHz, the slots may radiate signals, so the connector is usable, but not necessarily stable up to about 1.
GHz. Both 5. 0 ohm and 7. The BNC connector is used for signal connections such as: The BNC connector is used for composite video on commercial video devices. Consumer electronics devices with RCA connector jacks can be used with BNC- only commercial video equipment by inserting an adapter.
BNC connectors were commonly used on 1. Ethernet network cables and network cards. BNC connections can also be found in recording studios. Digital recording equipment uses the connection for synchronization of various components via the transmission of word clock timing signals. Typically the male connector is fitted to a cable, and the female to a panel on equipment. Cable connectors are often designed to be fitted by crimping using a special power or manual tool.Wire strippers which strip outer jacket, shield braid, and inner dielectric to the correct lengths in one operation are used.The connector was named the BNC (for Bayonet.
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Neillâ€“Concelman) after its bayonet mount locking mechanism and its inventors, Paul Neill and Carl Concelman. Neill worked at Bell Labs and also invented the N connector; Concelman worked at Amphenol and also invented the C connector. A backronym has been mistakenly applied to it: British Naval Connector. Another common incorrectly attributed origin is Berkeley Nucleonics Corporation. The basis for the development of the BNC connector was largely the work of Octavio M. Salati, a graduate of the Moore School of Electrical Engineering of the University of Pennsylvania. In 1. 94. 5, while working at Hazeltine Electronics Corporation, he filed a patent for a connector for coaxial cables that would minimize wave reflection/loss.
The patent was granted in 1. Types and compatibility. BNC connectors. From left to right: 7.
BNC connectors are most commonly made in 5. The 7. 5 ohm types can sometimes be recognized by the reduced or absent dielectric in the mating ends but this is by no means reliable. There was a proposal in the early 1.
The 7. 5 ohm connector is dimensionally slightly different from the 5. The 5. 0 ohm connectors are typically specified for use at frequencies up to 4 GHz and the 7. GHz. A 9. 5 ohm variant is used within the aerospace sector, but rarely elsewhere. It is used with the 9.
Video (particularly HD video signals) and DS3 Telco central office applications primarily use 7. BNC connectors, whereas 5. RF. Many VHF receivers used 7.
BNC connectors. Reverse- polarity BNC (RP- BNC) is a variation of the BNC specification which reverses the polarity of the interface. In a connector of this type, the female contact normally found in a jack is usually in the plug, while the male contact normally found in a plug is in the jack. This ensures that reverse polarity interface connectors do not mate with standard interface connectors. The SHV connector is a high- voltage BNC variant that uses this reverse polarity configuration. Smaller versions of the BNC connector, called Mini BNC and High Density BNC (HD BNC), are manufactured by Amphenol. While retaining the electrical characteristics of the original specification, they have smaller footprints giving a higher packing density on circuit boards and equipment backplanes.
These connectors have true 7. HD video applications. CompatibilityThe different versions are designed to mate with each other, and a 7. BNC connector which both comply with the 2. IEC standard, IEC 6.
At least one manufacturer[1. At frequencies below 1.
MHz the impedance mismatch between a 5. BNC connectors were thus originally made only in 5. Above this frequency, however, the mismatch becomes progressively more significant and can lead to signal reflections. BNC inserter/remover tool. Rear view of a patch panel with BNC jacks in close proximity.[1. A BNC inserter/remover tool also called a BNC tool, BNC extraction tool, BNC wrench, or BNC apple corer, is used to insert or remove BNC connectors in high density or hard- to- reach locations, such as densely wired patch panels in broadcast facilities like central apparatus rooms. BNC tools are usually light weight, made with stainless steel, and have screw driver type plastic handle grips for applying torque.
Their shafts are usually double the length of a standard screw driver. They help to safely, efficiently and quickly connect and disconnect BNC connectors in jack fields. BNC tools facilitate access and minimize the risk of accidentally disconnecting nearby connectors. Similar connectorsSR connectorsIn the USSR, BNC connectors were copied as SR connectors. As a result of recalculating from imperial to metric measurements their dimensions differ slightly from those of BNC.
They are however generally interchangeable with them, sometimes with force applied. TNC (Threaded Neillâ€“Concelman)A threaded version of the BNC connector, known as the TNC connector (for Threaded Neill- Concelman) is also available. It has superior performance to the BNC connector at microwave frequencies. Female (left) and male (right) twin BNC connectors. Twin BNC or twinaxTwin BNC (also known as twinax) connectors use the same bayonet latching shell as an ordinary BNC connector but contain two independent contact points (one male and one female), allowing the connection of a 7.
RG- 1. 08. A.[1. 3] They can operate up to 1. MHz and 1. 00 volts. They cannot mate with ordinary BNC connectors. An abbreviation for twinax connectors has been BNO (SÃ¼hner). TriaxialTriaxial (also known as triax) connectors are a variant on BNC that carry a signal and guard as well as ground conductor. These are used in sensitive electronic measurement systems.
Early triaxial connectors were designed with just an extra inner conductor, but later triaxial connectors also include a three- lug arrangement to rule out an accidental forced mating with a BNC connector. Adaptors exist to allow some interconnection possibilities between triaxial and BNC connectors. The triaxial may also be known as a Trompeter connection. High voltage connectorsFor higher voltages (above 5. V), MHV and SHV connectors are typically used.
MHV connectors are easily mistaken for BNC type, and can be made to mate with them by brute force. The SHV connector was developed as a safer alternative, it will not mate with ordinary BNC connectors and the inner conductor is much harder to accidentally contact. Miniature connectorsBNC connectors are commonly used in electronics, but in some applications they are being replaced by LEMO 0. In video broadcast industry, the DIN 1. HD- BNC connector are used for higher density products. See alsoReferences^ ab. Thomas H. Lee, Planar microwave engineering: a practical guide to theory, measurement, and circuits, Volume 1 Cambridge University Press, p.
ISBN 0- 5. 21- 8. BNC Connector specifications, Amphenol Connex^MIL- PRF- 3. Typical crimp BNC connector^Typical manual crimp tool for fitting BNC and other coaxial connectors to cables^Typical coax one- operation stripper^"Extended Definition: BNC connector". Webster's Online Dictionary.
Retrieved 1. 3 June 2. Electrical connector.
US Patent 2,5. 40,0. Octavio M. Salati^ Radio- frequency connectors - Part 8: Sectional specification - RF coaxial connectors with inner diameter of outer conductor 6,5 mm (0,2. Characteristic impedance 5. BNC)^Canford. "In over 1.
BNC connectors we have no first hand experience of incompatibility between 5. BNC Connectors, The Canford Group^Trompeter Product Catelog(PDF). Trompeter. p. 5. 1. Retrieved 2. 4 January 2. E- Base Interactive.
Twin BNC connector series". Amphenol RF. Retrieved 2.
November 2. 01. 1. External links.